Multiplication control means for ten key calculating machines



Feb. 7, 1961 H, W 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed00's. 25, 1956 23 Sheets-Sheet 1 CONSTANT EPEA INVENTOR HERMAN GANGATTORNEY Feb. 7, 1961 H. GANG 2,970,754

MULTIPLICATION CONTROL. MEANS FOR TEN KEY CALCULATING MACHINES FiledOct. 25, 1956 23 Sheets-Sheet 2 FIG.3

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$5 HERMAN GANG ATTORNEY Feb. 7, 1961 H. GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed001;. 25, 1956 23 Sheets-Sheet 3 FIG.4

file 44 4 INVENTOR HERMAN GANG ATTORNEY H. GANG MULTIPLICATION CONTROLMEANS FOR TEN KEY CALCULATING MACHINES Filed Oct. 25, 1956 23Sheets-Sheet 4 ATTORNEY H. GANG Feb. 7, 1961 MULTIPLICATION CONTROLMEANS FOR TEN KEY CALCULATING MACHINES 2s Sheets- Sheeff;

Filed Oct. 25, 1956 INVENTOR.

HERMAN GANG ATTORNEY Feb. 7, 1961 'H. GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed Oct.25, 1956 23 Sheets-Sheet 6 INVENTOR H ERMAN GANG ATTORNEY Ffib. 7, 1961GANG 2,970,754

MULTIPLICATION (EONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed001'. 25, 1956 23 Sheets-Sheet 7 INVENTOR HERMAN GANG ATTORNEY Feb. 7,1961 H. GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed Oct.25, 1956 23 Sheets-Sheet 8 x z 'm x MN FIG.|O

INVENTOR H ERMAN GANG ATTORNEY Feb. 7, 1961 H. GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES FliledOct. 25, 1956 23 Sheets-Sheet 9 INVENTOR H RMAN GANG ATTORNEY H. GANGFeB. '7, 1961 MULTIPLICATION CONTROL MEANS FOR TEN KEYCALCU'LATINGMACHINES Filed Oct. 25; 1956 23 Sheets-Sheet 10 ATTORNEY Feb. 7, 1961GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed Oct.25, 1956 25 Sheets-Sheet 11 FIG.I5

INVENTOR HERMAN GANG ATTO R N EY CALCULATING MACHINES 23 Sheets-Sheet 12Feb. 7, 1961 H. GANG MULTIPLICATION CONTROL MEANS FOR TEN KEY Filed Oct.25, 1956 j/jylxj FIG. I7 (5/00 IN VENTOR HERMAN GANG H. GANGMULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed Oct.25, 1956 23 Sheets-Sheet 13 m mi INVENTOR. HERMAN GANG ATTORNEY Feb. 7,1961 GANG 2,970,754

MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATING MACHINES Filed Oct.25, 1956 23 Sheets-Sheet 14 INVENTOR H RMAN GANG ATTORN EY Feb. 7, 1961MULTIPLICA H. GANG 2,970,754 'IION CONTROL MEANS FOR TEN KEY CALCULATINGMACHINES Filed 001;. 25, 1956 25 Sheets-Sheet 15 INVENTOR HERMAN GANGATTORNEY H. GANG Feb. 7, 1961 NES MULTIPLICATION CONTROL MEANS FOR TENKEY CALCULATING MACHI H. GANG Feb. 7, 1961 MULTIPLICATION ONTROL MEANSFOR TEN KEY CALCULATING MACHINES Filed Oct. 25, 1956 23 Sheets-Sheet 17TIIIIIL INVENTOR. HERMAN GANG ATTORNEY Feb. 7, 1961 N 2,970,754

MULTIPLICATION CONTROL MEANS F OR TEN KEY CALCULATING MACHINES FiledOct. 25, 1956 25 Sheets-Sheet 18 INVENTCR H ER MAN GANG %y/% AT ORNEY H.GANG Feb. 7, 1961 MULTIPLICATION CONTROL MEANS FOR TEN KEY CALCULATINGMACHINES Filed Oct. 25, 1956 23 Sheets-Sheet 19 ffllllllll- \\\\\\II EUINVENTOR.

HERMAN GANG TORNEY H. GANG MULTIPLICATION CONTROL MEANS FOR TEN KEYCALCULATING MACHINES Filed Oct. 25, 1956 23 Sheets-Sheet 20 E a. wmocHERMAN GANG Y %Y M

